| # Copyright 2020, Google Inc. |
| # All rights reserved. |
| # |
| # Redistribution and use in source and binary forms, with or without |
| # modification, are permitted provided that the following conditions are |
| # met: |
| # |
| # * Redistributions of source code must retain the above copyright |
| # notice, this list of conditions and the following disclaimer. |
| # * Redistributions in binary form must reproduce the above |
| # copyright notice, this list of conditions and the following disclaimer |
| # in the documentation and/or other materials provided with the |
| # distribution. |
| # * Neither the name of Google Inc. nor the names of its |
| # contributors may be used to endorse or promote products derived from |
| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| """Server related utilities.""" |
| |
| import logging |
| import logging.handlers |
| import threading |
| import time |
| |
| from mod_pywebsocket import common |
| from mod_pywebsocket import util |
| |
| |
| def _get_logger_from_class(c): |
| return logging.getLogger('%s.%s' % (c.__module__, c.__name__)) |
| |
| |
| def configure_logging(options): |
| logging.addLevelName(common.LOGLEVEL_FINE, 'FINE') |
| |
| logger = logging.getLogger() |
| logger.setLevel(logging.getLevelName(options.log_level.upper())) |
| if options.log_file: |
| handler = logging.handlers.RotatingFileHandler(options.log_file, 'a', |
| options.log_max, |
| options.log_count) |
| else: |
| handler = logging.StreamHandler() |
| formatter = logging.Formatter( |
| '[%(asctime)s] [%(levelname)s] %(name)s: %(message)s') |
| handler.setFormatter(formatter) |
| logger.addHandler(handler) |
| |
| deflate_log_level_name = logging.getLevelName( |
| options.deflate_log_level.upper()) |
| _get_logger_from_class(util._Deflater).setLevel(deflate_log_level_name) |
| _get_logger_from_class(util._Inflater).setLevel(deflate_log_level_name) |
| |
| |
| class ThreadMonitor(threading.Thread): |
| daemon = True |
| |
| def __init__(self, interval_in_sec): |
| threading.Thread.__init__(self, name='ThreadMonitor') |
| |
| self._logger = util.get_class_logger(self) |
| |
| self._interval_in_sec = interval_in_sec |
| |
| def run(self): |
| while True: |
| thread_name_list = [] |
| for thread in threading.enumerate(): |
| thread_name_list.append(thread.name) |
| self._logger.info("%d active threads: %s", |
| threading.active_count(), |
| ', '.join(thread_name_list)) |
| time.sleep(self._interval_in_sec) |
| |
| |
| # vi:sts=4 sw=4 et |